文章针对学科试题库安全与保密问题，提出了适用于学科试题库的安全保密系统，并证明了该系统的安全性。

This article analyzed problems of security and defense in subject test lib and then put forward a security and defense system of subject test lib, and proved security of this system.

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受国家知识产权局委托，负责国家知识产权局系统的安全保卫、保密和防火工作；

to be responsible for the safety and security, secretes guarding and fire protection of the State Intellectual Property Right Office under its entrustment;

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我们还涉及到如何限制“Pre - Windows 2000 Compatibility Access”安全组访问AD以及标记“非系统基础”为保密。

We have covered how we restrict read access to Active Directory to members of the Pre-Windows 2000 Compatibility access security group as well as marking non-system-base as confidential.

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